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AssigneeWatlow Electric Manufacturing Company
InventorsJeremy Ohse, Jake Spooler, Phillip S. Schmidt, Patrick Margavio, Melissa Lanham, Paul Valachovic, Brittany Phillips, Mark Denis Everly
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A heater includes at least one resistive element. The at least one resistive element includes a material having a high temperature coefficient of resistance (TCR) such that the resistive element functions as a heater and as a temperature sensor, the resistive element being a material selected from the group consisting of greater than about 95% nickel, a nickel copper alloy, stainless steel, a molybdenum-nickel alloy, niobium, a nickel-iron alloy, tantalum, zirconium, tungsten, molybdenum, Nisil, and titanium. In one form, the heater is a tubular heater with compacted MgO insulation and a metal sheath.
A heater comprising a resistive element with a high temperature coefficient of resistance (TCR) such that the resistive element functions as a heater and as a temperature sensor, the resistive element being a material having greater than about 95% nickel.
A heater comprising a resistive element with a high temperature coefficient of resistance (TCR) such that the resistive element functions as a heater and as a temperature sensor, the resistive element being a material selected from the group consisting of greater than about 95% nickel, a nickel copper alloy, stainless steel, a molybdenum-nickel alloy, niobium, a nickel-iron alloy, tantalum, molybenum, zirconium, tungsten, molybdenum, Nisil, and titanium.
Dependencies are inferred from the claim text.